diff --git a/route/address.go b/route/address.go
index 9edb562..1898ed0 100644
--- a/route/address.go
+++ b/route/address.go
@@ -422,11 +422,9 @@
 			b = b[l:]
 		}
 	}
-	if len(b) > 4 {
-		// If there is more data left over after parsing all addresses
-		// than might be needed for alignment, then we have made a mistake
-		// somewhere.
-		return nil, errInvalidMessage
-	}
+	// The only remaining bytes in b should be alignment.
+	// However, under some circumstances DragonFly BSD appears to put
+	// more addresses in the message than are indicated in the address
+	// bitmask, so don't check for this.
 	return as[:], nil
 }